Derbie, A., M. Assefa, D. Mekonnen, and F. Biadglegne. “Risky Sexual Behaviour and Associated Factors Among Students of Debre Tabor University, Northwest Ethiopia: A Cross-Sectional Study”. The Ethiopian Journal of Health Development, vol. 30, no. 1, Nov. 2016, https://www.ejhd.org/index.php/ejhd/article/view/482.